ASE Core Knowledge Bundle (A1, A4, A5)

Get a head start on your ASE certifications with this essential 3-guide bundle!

This downloadable PDF pack includes:

• A1: Engine Repair
• A4: Steering & Suspension
• A5: Brakes

Perfect for tech students, aspiring mechanics, and DIY learners. Whether you’re brushing up before the test or learning for the first time, these guides give you structured, easy-to-digest knowledge in a format you can actually use.

• Printable & digital-friendly
• Organized by exam sections
• Clear diagrams, systems, and common symptoms
• Study at your own pace, your way

Save 25% when you bundle — and build the foundation for your ASE certification journey.